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Zinc Selenide Meniscus Lenses are used in thermal imaging, FLIR, and medical systems in the 600nm to 16000nm range. ZnSe Meniscus lenses can be made from IR or Laser Grade ZnSe depending on application. AR coating for 10.6, 8-12 or 2-13 microns are available upon request.
Custom ZnSe Meniscus lenses are available in any size and focal length.
| Cat # |
Dia, inch |
Dia, mm |
Focal length |
| ZnSe-PM-20-38.1 |
0.79 |
20 |
38.1 |
| ZnSe-PM-20-50.8 |
0.79 |
20 |
50.8 |
| ZnSe-PM-20-63.5 |
0.79 |
20 |
63.5 |
| ZnSe-PM-20-76.2 |
0.79 |
20 |
76.2 |
| ZnSe-PM-20-101.6 |
0.79 |
20 |
101.6 |
| ZnSe-PM-20-127 |
0.79 |
20 |
127 |
ZnSe-PM-25.4-38.1 |
1.0 |
25.4 |
38.1 |
ZnSe-PM-25.4-50.8 |
1.0 |
25.4 |
50.8 |
ZnSe-PM-25.4-63.5 |
1.0 |
25.4 |
63.5 |
ZnSe-PM-25.4-76.2 |
1.0 |
25.4 |
76.2 |
| ZnSe-PM-25.4-101.6 |
1.0 |
25.4 |
101.6 |
| ZnSe-PM-25.4-127 |
1.0 |
25.4 |
127 |
| ZnSe-PM-25.4-150 |
1.0 |
25.4 |
150 |
| ZnSe-PM-38.1-38.1 |
1.5 |
38.1 |
38.1 |
| ZnSe-PM-38.1-50.8 |
1.5 |
38.1 |
50.8 |
| ZnSe-PM-38.1-63.5 |
1.5 |
38.1 |
63.5 |
| ZnSe-PM-38.1-76.2 |
1.5 |
38.1 |
76.2 |
| ZnSe-PM-38.1-101.6 |
1.5 |
38.1 |
101.6 |
| ZnSe-PM-38.1-127 |
1.5 |
38.1 |
127 |
| ZnSe-PM-38.1-150 |
1.5 |
38.1 |
150 |
| Standard Specifications |
High Precision |
| Material |
ZnSe CVD. IR or laser grade. |
| Dimensions |
± 0.00/-0.10mm |
+0.00/-0.03 |
| Thickness |
± 0.10mm |
±0.05 |
| Focal length tolerance: |
+/-1% at 10.6microns |
+/-1% at 10.6microns |
| Surfaces |
60/40 |
40/20 |
| Edges |
Fine Ground |
| Surface irregularity |
≤5 Fringes |
0.2-0.5 Fringes |
| Centration |
3 Arc mins |
1 arc min |
Please do not hesitate to contact us for pricing for any custom size and coatings requirements.
See Also: Silicon optics; Silicon meniscus lenses; ZnSe optics
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